CTF challenges & writeups

223 challenges in family ⊕ pwn:heap ✕ clear · browse all techniques

Challenge	CTF	Weight	Category	Has
nullptr #heap #mmap-threshold-overwrite #fsop #malloc-hook-overwrite	ALLES 2020	–	Misc	files wu 2
invisible #realloc-zero-size-free #double-free #fastbin	ASIS 2020 Quals	64.97	Misc	files wu 1
refcnt #use-after-free (uaf)#tcache-poisoning #fsop	ASIS 2020 Finals	64.97	Misc	files wu 1
yet_another_house #poison-null-byte #tcache-stash-unlink #tcache-poisoning #seccomp-bypass	ASIS 2020 Finals	64.97	Misc	files wu 1
TiKToK #heap #off-by-one-null #chunk-overlap #unsorted-bin-leak	DawgCTF 2020	23.29	Misc	files wu 2
stl_container #c++-stl #heap-exploitation #tcache #libc-2.27	De1CTF 2020	24.28	Misc	files wu 2
zombie #use-after-free (uaf)	DownUnderCTF 2020	24.44	Misc	files wu 1
TemporaryFileSystemStorage #use-after-free (uaf)	FireShell 2020	24.49	Misc	files wu 1
atoms #use-after-free (uaf)	HITCON 2020	–	Misc	files wu 1
telescope #unsafe-unlink	HITCON 2020	–	Misc	files wu 1
studysim #tcache-poisoning	HSCTF 2020	–	Misc	files wu 1
treecache_alyx #use-after-free (uaf)	HSCTF 2020	–	Misc	files wu 1
note #negative-index #tcache-poisoning #malloc-hook #one-gadget	RCTF 2020	–	Misc	files wu 2
Lil_Chompy #use-after-free (uaf)#heap #arbitrary-read	SunshineCTF 2020	23.34	Misc	files wu 2
karte #use-after-free (uaf)#tcache-poisoning	TSG 2020	–	Misc	files wu 3
rachell #house-of #tcache	TSG 2020	–	Misc	files wu 3
std_vector #use-after-free (uaf)	TSG 2020	–	Misc	files wu 3
violence-fixer #heap-overflow #tcache	TSG 2020	–	Misc	files wu 3
Online_Nonogram #heap #tcache #uninitialized	TokyoWesterns 2020	–	Misc	files wu 3
vi-deteriorated #tcache #cpp-exploitation	TokyoWesterns 2020	–	Misc	files wu 1
cancelled #io-file #off-by-one #tcache #heap-exploitation	UTCTF 2020	–	Misc	files wu 3
Notepad #use-after-free (uaf)#tcache #format-string	VolgaCTF 2020 Quals	32.80	Misc	files wu 2
lil_wishes_db #use-after-free (uaf)#tcache #one-gadget	X-MAS 2020	–	Misc	files wu 2
fakev #use-after-free (uaf)	m0leCon 2020 Quals	24.55	Misc	files wu 1
pheappo #house-of-husk	m0leCon 2020 Finals	24.55	Misc	files wu 1
diylist #type-confusion #arbitrary-read #use-after-free (uaf)	zer0pts 2020	24.56	Misc	files wu 3
meowmow #kernel-exploitation #out-of-bounds (oob)#heap-overflow	zer0pts 2020	24.56	Misc	files wu 1
Baby_Tcache #tcache-poisoning #free-hook-overwrite #libc-leak	BackdoorCTF 2019	56.00	Misc	files wu 1
MiscPwn #realloc-hook-malloc-hook-overwrite #one-gadget	BackdoorCTF 2019	56.00	Misc	files wu 1
PopGoesThePrinter #objective-c-reversing #oob-heap-leak #file-struct-overwrite #format-string	CSAW 2019 Quals	43.00	Misc	files wu 1
popping_caps #tcache-poisoning #house-of-spirit #malloc-hook-overwrite #one-gadget	CSAW 2019 Quals	43.00	Misc	files wu 3
popping_caps2 #tcache-poisoning #tcache-perthread-corruption #free-hook-overwrite #one-gadget	CSAW 2019 Quals	43.00	Misc	files wu 3
BabyRust #rust #cve-2019-12083 #arbitrary-read-write #tcache-double-free #one-gadget	De1CTF 2019	24.28	Misc	files wu 2
Mimic_note #off-by-one-null #unlink #ret2dlresolve	De1CTF 2019	24.28	Misc	files wu 2
Race #kernel #race-condition #use-after-free (uaf)#slab-leak	De1CTF 2019	24.28	Misc	files wu 1
babyheap #tcache-poisoning	FireShell 2019	24.49	Misc	files wu 1
netatalk #heap-overflow	HITCON 2019 Quals	92.94	Misc	files wu 1
Aria_Writer #tcache-poisoning	HSCTF 2019	–	Misc	files wu 1
Aria_Writer_v3 #tcache-poisoning	HSCTF 2019	–	Misc	files wu 1
Hard_Heap #unsorted-bin-attack	HSCTF 2019	–	Misc	files wu 2

Challenges